Home / 23,172.79-34,728.43-12,076.50

Finding the Fourth Proportional to 23,172.79, 34,728.43 and 12,076.50

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Solution

The fourth proportional to 23,172.79, 34,728.43 and 12,076.50 is: 18,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.79 : 34,728.43 = 12,076.50 : x
  2. Step 2: Convert to fraction form
    23,172.79/34,728.43 = 12,076.50/x
  3. Step 3: Cross multiply
    23,172.79x = 34,728.43 × 12,076.50
  4. Step 4: Simplify right side
    23,172.79x = 419,397,884.90
  5. Step 5: Solve for x
    x = 419,397,884.90/23,172.79
  6. Step 6: Final answer
    x = 18,098.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.